A fun and inspiring story about Katie, a teenage girl who has lost interest in her friends and gymnastics. Then Katie wins a contest to take care of Gibby, her science teacher's Capuchin monkey. Gibby's happy-go-lucky personality renews Katie's zest for life, and with Gibby's help, Katie begins to hang out with her friends, try out for the gymnastics team and attempts to overcome her nemesis, a mean girl who is out to beat Katie at everything.